/* roulang page: index */
:root{
  --primary:#0F5A78;
  --primary-deep:#0A3E53;
  --accent:#F26A2E;
  --mint:#17B08C;
  --bg:#F7F9FA;
  --bg-alt:#F1F6F8;
  --dark:#0A2E3F;
  --text:#12212A;
  --text-2:#566A74;
  --text-3:#8A9AA3;
  --inv:#F2F7F9;
  --line:#E4EAEE;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --pill:999px;
  --sh-1:0 1px 3px rgba(16,42,55,.06);
  --sh-2:0 8px 24px rgba(16,42,55,.08);
  --sh-3:0 18px 44px rgba(16,42,55,.12);
  --container:1240px;
  --nav-h:64px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-deep);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
time,.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--primary);color:#fff;padding:10px 18px;border-radius:var(--r-md);
  transition:top .2s ease;
}
.skip-link:focus{top:12px;color:#fff;}

/* ---------- 容器 ---------- */
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
.section{padding:96px 0;}
.section--alt{background:var(--bg-alt);}
.section--white{background:#fff;}
.section--dark{background:var(--dark);color:var(--inv);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:var(--primary);
  background:rgba(15,90,120,.1);
  padding:6px 14px;border-radius:var(--pill);
  margin-bottom:16px;letter-spacing:.4px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:33px;line-height:1.3;color:var(--primary-deep);}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16.5px;}
.section-head--row{
  max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.link-more{font-size:15px;font-weight:500;display:inline-flex;align-items:center;gap:6px;}
.link-more::after{content:"→";transition:transform .18s ease;}
.link-more:hover::after{transform:translateX(3px);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15.5px;font-weight:500;border:1.5px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#0d4d67;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:#dd5a20;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-ghost:hover{background:rgba(15,90,120,.08);color:var(--primary-deep);}
.btn-light{border-color:rgba(242,247,249,.4);color:var(--inv);background:transparent;}
.btn-light:hover{background:rgba(242,247,249,.12);color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn[disabled]{opacity:.4;cursor:not-allowed;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  height:var(--nav-h);
  background:rgba(247,249,250,.92);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);gap:20px;}
.nav-left{display:flex;align-items:center;gap:30px;min-width:0;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--primary-deep);letter-spacing:.2px;}
.logo:hover{color:var(--primary);}
.logo-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;font-weight:700;line-height:1;
}
.logo-text b{color:var(--accent);font-weight:700;}
.nav-menu{display:flex;align-items:center;gap:24px;}
.nav-menu a{
  font-size:15px;color:var(--text-2);padding:6px 0;position:relative;font-weight:500;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;border-radius:2px;
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--primary-deep);}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);
  background:#fff;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);transition:all .18s ease;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:rgba(15,90,120,.06);}
.icon-btn svg{width:18px;height:18px;}
.burger{display:none;}

/* 搜索面板 */
.search-panel{
  position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-3);
  padding:18px 0;display:none;
}
.search-panel.open{display:block;}
.search-panel form{display:flex;gap:12px;max-width:720px;margin:0 auto;padding:0 24px;}
.search-panel input{
  flex:1;height:48px;border-radius:var(--r-md);border:1px solid var(--line);padding:0 16px;
  background:var(--bg);transition:border-color .18s ease,box-shadow .18s ease;
}
.search-panel input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,90,120,.15);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,46,63,.4);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:110;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:#fff;
  transform:translateX(100%);transition:transform .28s ease;z-index:120;
  padding:22px 22px 32px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px;}
.drawer nav a{padding:13px 12px;border-radius:var(--r-md);color:var(--text);font-size:16px;font-weight:500;}
.drawer nav a:hover,.drawer nav a.active{background:rgba(15,90,120,.08);color:var(--primary-deep);}
.drawer-foot{border-top:1px solid var(--line);padding-top:18px;font-size:14px;color:var(--text-2);display:flex;flex-direction:column;gap:8px;}

/* ---------- Hero ---------- */
.hero{
  padding:calc(var(--nav-h) + 24px) 0 96px;
  background:
    radial-gradient(1100px 460px at 88% -8%, rgba(15,90,120,.10) 0%, rgba(15,90,120,0) 62%),
    var(--bg);
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;
  color:var(--primary-deep);background:#fff;border:1px solid rgba(15,90,120,.3);
  padding:7px 15px;border-radius:var(--pill);box-shadow:var(--sh-1);
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(23,176,140,.16);}
.hero h1{
  font-size:48px;line-height:1.2;color:var(--primary-deep);margin:20px 0 18px;letter-spacing:-.4px;
}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{font-size:18px;color:var(--text-2);max-width:560px;line-height:1.8;}
.hero-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.hero-trust{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;
  margin-top:36px;padding-top:26px;border-top:1px dashed var(--line);
}
.hero-trust li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--text-2);line-height:1.6;}
.hero-trust svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;color:var(--mint);}
.hero-visual{position:relative;}
.hero-visual .frame{
  aspect-ratio:16/10;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);
  background:var(--primary-deep);
  border:1px solid rgba(15,90,120,.16);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;left:-24px;bottom:-24px;background:#fff;border-radius:var(--r-lg);
  padding:16px 20px;box-shadow:var(--sh-3);border:1px solid var(--line);min-width:220px;
}
.float-card .fc-label{font-size:13px;color:var(--text-3);margin-bottom:8px;}
.float-card .fc-row{display:flex;align-items:baseline;gap:8px;font-variant-numeric:tabular-nums;}
.float-card .fc-row + .fc-row{margin-top:6px;}
.float-card .fc-num{font-size:22px;font-weight:700;color:var(--primary);line-height:1.2;}
.float-card .fc-unit{font-size:13px;color:var(--text-2);}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.bento-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
  display:flex;flex-direction:column;gap:12px;
}
.bento-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.bento-item h3{font-size:18px;line-height:1.5;color:var(--primary-deep);}
.bento-item p{font-size:15.5px;color:var(--text-2);line-height:1.8;}
.bento-lg{grid-column:span 8;padding:0;overflow:hidden;position:relative;}
.bento-lg .bento-lg-body{padding:32px;position:relative;z-index:2;}
.bento-lg .bento-lg-img{
  position:absolute;right:0;top:0;bottom:0;width:46%;
  background:linear-gradient(90deg,rgba(15,90,120,.06) 0%,rgba(15,90,120,0) 100%);
}
.bento-lg .bento-lg-img img{width:100%;height:100%;object-fit:cover;}
.bento-sm{grid-column:span 4;}
.bento-third{grid-column:span 4;}
.ico{
  width:44px;height:44px;border-radius:var(--r-md);background:rgba(15,90,120,.09);
  display:inline-flex;align-items:center;justify-content:center;color:var(--primary);
}
.ico svg{width:22px;height:22px;}
.ico--accent{background:rgba(242,106,46,.12);color:var(--accent);}
.ico--mint{background:rgba(23,176,140,.12);color:var(--mint);}
.tag{
  display:inline-flex;align-items:center;font-size:13px;font-weight:500;
  padding:4px 11px;border-radius:var(--r-sm);background:rgba(15,90,120,.1);color:var(--primary);
}
.tag--accent{background:rgba(242,106,46,.12);color:var(--accent);}
.tag--mint{background:rgba(23,176,140,.13);color:#0f7a60;}

/* ---------- 演示流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:44px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-1);
}
.step .step-num{
  font-size:34px;font-weight:700;color:rgba(15,90,120,.28);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:1px;
}
.step h3{margin:14px 0 10px;font-size:18px;color:var(--primary-deep);}
.step p{font-size:15.5px;color:var(--text-2);}
.device{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--sh-2);
}
.device-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--bg);}
.device-bar span{width:10px;height:10px;border-radius:50%;background:#dbe4e9;}
.device-bar span:first-child{background:#f0b8a4;}
.device-bar em{margin-left:10px;font-style:normal;font-size:13px;color:var(--text-3);}
.device img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hscroll{overflow-x:auto;scrollbar-width:none;}
.hscroll::-webkit-scrollbar{display:none;}

/* ---------- 证据区 ---------- */
.evidence{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.stats{display:grid;gap:22px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 24px;
  box-shadow:var(--sh-1);
}
.stat .stat-num{font-size:40px;font-weight:700;color:var(--primary);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat .stat-num small{font-size:16px;font-weight:500;color:var(--text-2);margin-left:4px;}
.stat .stat-label{font-size:14px;color:var(--text-2);margin-top:6px;}
.cert-list{display:grid;gap:16px;margin-bottom:32px;}
.cert{
  display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px 22px;box-shadow:var(--sh-1);
}
.cert h4{font-size:16.5px;color:var(--primary-deep);margin-bottom:5px;}
.cert p{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:rgba(15,90,120,.22);}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:7px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.tl-item .tl-date{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.tl-item h4{font-size:16px;color:var(--primary-deep);margin:4px 0 6px;}
.tl-item p{font-size:14.5px;color:var(--text-2);}

/* ---------- 资讯卡 ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.post-cover{display:block;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,rgba(15,90,120,.10),rgba(15,90,120,0));}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:18px;line-height:1.5;color:var(--primary-deep);}
.post-body h3 a{color:inherit;}
.post-body h3 a:hover{color:var(--primary);}
.post-sum{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  display:flex;align-items:center;justify-content:space-between;margin-top:auto;
  padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.post-foot .arrow{color:var(--primary);font-weight:600;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state .ico{margin-bottom:16px;}
.empty-state p{color:var(--text-2);font-size:15.5px;margin-bottom:20px;}

/* ---------- 方案 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:30px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:18px;position:relative;
  transition:transform .2s ease,box-shadow .2s ease;
}
.plan:hover{box-shadow:var(--sh-2);}
.plan--featured{
  border:2px solid var(--primary);transform:translateY(-8px);box-shadow:var(--sh-3);
}
.plan--featured:hover{transform:translateY(-11px);}
.plan-badge{
  position:absolute;top:-13px;left:30px;background:var(--accent);color:#fff;
  font-size:13px;font-weight:500;padding:5px 14px;border-radius:var(--pill);
  box-shadow:var(--sh-1);
}
.plan h3{font-size:20px;color:var(--primary-deep);}
.plan .plan-desc{font-size:14.5px;color:var(--text-2);}
.plan .plan-meta{font-variant-numeric:tabular-nums;color:var(--primary);font-size:26px;font-weight:700;line-height:1.2;}
.plan .plan-meta small{font-size:14px;font-weight:500;color:var(--text-2);margin-left:6px;}
.plan ul{display:grid;gap:11px;}
.plan ul li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.7;}
.plan ul li svg{width:17px;height:17px;flex:0 0 auto;margin-top:4px;color:var(--mint);}
.plan .btn{width:100%;margin-top:auto;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(15,90,120,.3);}
.faq-item.open{box-shadow:var(--sh-2);border-color:rgba(15,90,120,.32);}
.faq-q{
  width:100%;min-height:56px;background:transparent;border:0;text-align:left;
  padding:17px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:17px;font-weight:500;color:var(--primary-deep);line-height:1.6;
}
.faq-icon{
  position:relative;width:20px;height:20px;flex:0 0 auto;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:0;right:0;top:9px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{background:var(--bg);padding:0 22px 20px;}
.faq-a p{font-size:15.5px;color:var(--text-2);line-height:1.85;}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-1);
}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;font-weight:500;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 15px;border-radius:var(--r-md);border:1px solid var(--line);
  background:#fff;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:126px;padding:13px 15px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,90,120,.15);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--accent);}
.field .err{display:none;font-size:14px;color:var(--accent);margin-top:7px;}
.field.has-error .err{display:block;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-note{font-size:13.5px;color:var(--text-3);margin-top:14px;line-height:1.7;}
.toast{
  display:none;margin-top:16px;padding:13px 16px;border-radius:var(--r-md);
  background:rgba(23,176,140,.12);color:#0f7a60;font-size:14.5px;border:1px solid rgba(23,176,140,.28);
}
.toast.show{display:block;}
.info-card{
  background:var(--dark);color:var(--inv);border-radius:var(--r-xl);padding:30px;
  display:flex;flex-direction:column;gap:22px;
}
.info-card h3{font-size:19px;color:#fff;}
.info-item{display:flex;gap:13px;align-items:flex-start;}
.info-item svg{width:19px;height:19px;flex:0 0 auto;margin-top:4px;color:var(--mint);}
.info-item .il{font-size:13px;color:rgba(242,247,249,.6);margin-bottom:3px;}
.info-item .iv{font-size:15px;color:var(--inv);line-height:1.7;}
.qr-box{
  border:1px dashed rgba(242,247,249,.28);border-radius:var(--r-md);padding:18px;text-align:center;
  font-size:13.5px;color:rgba(242,247,249,.7);
}
.qr-box .qr-ph{
  width:96px;height:96px;margin:0 auto 12px;border-radius:var(--r-md);
  background:rgba(242,247,249,.10);display:flex;align-items:center;justify-content:center;
  color:rgba(242,247,249,.5);font-size:13px;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--dark);color:var(--inv);border-radius:var(--r-xl);
  padding:48px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,176,140,.22) 0%,rgba(23,176,140,0) 70%);
}
.cta-band h2{font-size:30px;color:#fff;line-height:1.35;position:relative;z-index:2;}
.cta-band p{margin-top:12px;color:rgba(242,247,249,.78);font-size:16px;max-width:640px;position:relative;z-index:2;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(242,247,249,.88);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo{color:#fff;margin-bottom:14px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{font-size:14.5px;color:rgba(242,247,249,.68);line-height:1.8;max-width:280px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14.5px;color:rgba(242,247,249,.88);}
.footer-col a:hover{color:var(--accent);}
.footer-col li span{font-size:14.5px;color:rgba(242,247,249,.68);}
.footer-bottom{
  border-top:1px solid rgba(242,247,249,.14);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(242,247,249,.6);
}
.footer-bottom .fb-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.to-top{
  display:inline-flex;align-items:center;gap:7px;background:rgba(242,247,249,.1);
  border:1px solid rgba(242,247,249,.2);color:var(--inv);border-radius:var(--pill);
  padding:8px 16px;font-size:13.5px;transition:all .18s ease;
}
.to-top:hover{background:rgba(242,106,46,.18);color:#fff;border-color:rgba(242,106,46,.5);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:inline-flex;align-items:center;gap:9px;
  background:var(--accent);color:#fff;border-radius:var(--pill);
  padding:13px 22px;font-size:15px;font-weight:500;box-shadow:var(--sh-3);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .18s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:#dd5a20;color:#fff;}
.float-cta svg{width:17px;height:17px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:42px;}
  .nav-menu{gap:18px;}
  .nav-menu a{font-size:14.5px;}
}
@media (max-width:1024px){
  .nav-menu{display:none;}
  .nav-left{gap:16px;}
  .burger{display:inline-flex;}
  .nav-right .btn{display:none;}
  .hero{padding:calc(var(--nav-h) + 20px) 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:38px;}
  .hero-visual .frame{max-width:640px;}
  .bento-lg,.bento-sm,.bento-third{grid-column:span 12;}
  .bento-lg .bento-lg-img{position:relative;width:100%;height:200px;order:-1;}
  .bento-lg{display:flex;flex-direction:column;}
  .steps{grid-template-columns:1fr 1fr;}
  .evidence{grid-template-columns:1fr;gap:36px;}
  .contact-grid{grid-template-columns:1fr;}
  .plans{grid-template-columns:1fr;gap:28px;}
  .plan--featured{transform:none;}
  .plan--featured:hover{transform:translateY(-3px);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .posts{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.8;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:25px;}
  .hero h1{font-size:32px;line-height:1.3;}
  .hero-sub{font-size:16.5px;}
  .hero-trust{grid-template-columns:1fr;gap:12px;}
  .hero-cta .btn{flex:1 1 auto;}
  .float-card{
    position:static;margin:16px 0 0;box-shadow:var(--sh-1);min-width:0;
  }
  .bento{padding-bottom:0;}
  .steps{grid-template-columns:1fr;}
  .posts{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:32px 24px;}
  .cta-band h2{font-size:24px;}
  .faq-q{font-size:16px;padding:15px 18px;}
  .faq-a{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:0;width:100%;height:56px;
    justify-content:center;padding:0 16px;
    padding-bottom:env(safe-area-inset-bottom,0);
    transform:translateY(100%);
  }
  .float-cta.show{transform:translateY(0);}
  .site-footer{padding-bottom:64px;}
}
@media (max-width:520px){
  .hero h1{font-size:28px;}
  .stat .stat-num{font-size:32px;}
  .section-head h2{font-size:23px;}
  .form-card{padding:22px;}
  .plan{padding:24px;}
}

/* roulang page: article */
:root{
  --primary:#0F5A78;
  --primary-deep:#0A3E53;
  --primary-soft:rgba(15,90,120,.10);
  --primary-line:rgba(15,90,120,.30);
  --accent:#F26A2E;
  --mint:#17B08C;
  --body-bg:#F7F9FA;
  --panel:#FFFFFF;
  --alt:#F1F6F8;
  --dark:#0A2E3F;
  --text:#12212A;
  --text-2:#566A74;
  --text-3:#8A9AA3;
  --on-dark:#F2F7F9;
  --border:#E4EAEE;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --pill:999px;
  --sh-1:0 1px 3px rgba(16,42,55,.06);
  --sh-2:0 8px 24px rgba(16,42,55,.08);
  --sh-3:0 18px 44px rgba(16,42,55,.12);
  --sec-pad:96px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--body-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time,.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 12px 12px;
  font-size:15px;transition:top .2s ease;
}
.skip-link:focus{top:0;color:#fff}
.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(255,255,255,.86);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
  box-shadow:var(--sh-1);
}
.header-inner{display:flex;align-items:center;gap:28px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:center;letter-spacing:.5px;
}
.logo-text{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.3px}
.logo-text b{color:var(--primary);font-weight:700}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:6px}
.nav-menu a{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-menu a:hover{color:var(--primary)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--primary);font-weight:500}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid var(--border);background:#fff;transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary-line);background:var(--primary-soft)}
.icon-btn svg{width:18px;height:18px}
.hamburger{
  display:none;width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--border);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-2);transition:all .22s ease}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15.5px;font-weight:500;white-space:nowrap;
  border:1.5px solid transparent;transition:all .22s ease;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;border-color:var(--primary-line);color:var(--primary)}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-deep)}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.link-more{font-size:15px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;font-weight:500}
.link-more:hover{color:var(--primary-deep);gap:10px}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:110;
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--pill);
  background:var(--accent);color:#fff;font-size:15px;font-weight:500;
  box-shadow:0 12px 28px rgba(242,106,46,.32);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,background-color .22s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:#d95a1f;color:#fff}
.float-cta svg{width:16px;height:16px}

/* ---------- Article layout ---------- */
.article-layout{max-width:860px;padding-top:104px}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:14px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .bc-cur{
  max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2);
}
.article-panel{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:46px 54px 44px;
}
.article-head .tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);
  background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:500;
}
.article-title{
  font-size:36px;line-height:1.32;margin:18px 0 0;letter-spacing:.2px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:20px;
  font-size:14px;color:var(--text-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}
.article-divider{height:1px;background:var(--border);margin:28px 0 30px}

.article-body{font-size:17px;line-height:1.9;color:var(--text);overflow-wrap:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:24px;line-height:1.45;margin:1.9em 0 .75em;
  padding-left:14px;border-left:4px solid var(--primary);border-radius:2px;
}
.article-body h3{font-size:20px;line-height:1.5;margin:1.6em 0 .6em;color:var(--primary-deep)}
.article-body h4{font-size:18px;margin:1.4em 0 .5em}
.article-body strong{color:var(--primary-deep);font-weight:600}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary-deep)}
.article-body ul{margin:0 0 1.2em;padding-left:0}
.article-body ul>li{position:relative;padding-left:24px;margin-bottom:.55em}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--mint);transform:rotate(45deg);
}
.article-body ol{counter-reset:item;margin:0 0 1.2em;padding-left:0}
.article-body ol>li{position:relative;padding-left:40px;margin-bottom:.65em}
.article-body ol>li::before{
  counter-increment:item;content:counter(item);
  position:absolute;left:0;top:.32em;width:26px;height:26px;border-radius:var(--r-sm);
  background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:600;text-align:center;line-height:26px;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 24px;background:var(--alt);
  border-left:4px solid var(--primary);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:1.6em auto;width:100%}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:left}
.article-body th{background:var(--body-bg);color:var(--primary-deep);font-weight:600}
.article-body hr{border:0;height:1px;background:var(--border);margin:2em 0}

.article-empty{
  text-align:center;padding:44px 16px 36px;
}
.article-empty .empty-icon{
  width:64px;height:64px;border-radius:20px;margin:0 auto 18px;
  background:var(--primary-soft);display:flex;align-items:center;justify-content:center;color:var(--primary);
}
.article-empty .empty-icon svg{width:30px;height:30px}
.article-empty .empty-title{font-size:20px;font-weight:700;margin-bottom:10px}
.article-empty p.empty-desc{color:var(--text-2);font-size:15.5px;margin-bottom:22px}

.article-foot-cta{
  margin-top:34px;padding:26px 30px;border-radius:var(--r-lg);
  background:#EAF3F6;border:1px solid rgba(15,90,120,.12);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.article-foot-cta p{font-size:15.5px;color:var(--text-2);max-width:520px}

/* ---------- Related ---------- */
.related{padding:0 0 96px}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap;
}
.sec-head h2{font-size:28px;line-height:1.35}
.sec-head .sec-sub{font-size:14.5px;color:var(--text-3);margin-top:8px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary-line)}
.rel-media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--alt)}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-media img{transform:scale(1.04)}
.rel-body{display:block;padding:22px 24px 24px}
.rel-body .tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-sm);
  background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:500;
}
.rel-title{display:block;font-size:18px;font-weight:600;line-height:1.55;margin:12px 0 8px;color:var(--text)}
.rel-card:hover .rel-title{color:var(--primary)}
.rel-desc{display:block;font-size:14px;line-height:1.7;color:var(--text-2)}
.rel-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--border);
  font-size:13.5px;color:var(--text-3);
}
.rel-foot .arrow{color:var(--primary);transition:transform .22s ease}
.rel-card:hover .rel-foot .arrow{transform:translateX(4px)}
.back-row{display:flex;justify-content:center;margin-top:44px}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:var(--on-dark);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text b{color:#7FC6DE}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(242,247,249,.72);max-width:300px}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:18px;font-weight:600}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a,.footer-col ul li span{font-size:14.5px;color:rgba(242,247,249,.82)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(242,247,249,.14);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(242,247,249,.66);
}
.fb-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.to-top{color:rgba(242,247,249,.85)}
.to-top:hover{color:var(--accent)}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,46,63,.4);z-index:130;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;z-index:140;
  background:#fff;box-shadow:var(--sh-3);padding:20px 22px 32px;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;display:flex;flex-direction:column;gap:22px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-md);border:1px solid var(--border);
  font-size:22px;line-height:1;color:var(--text-2);display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{color:var(--primary);border-color:var(--primary-line)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  font-size:16px;color:var(--text);padding:14px 2px;border-bottom:1px solid var(--border);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--primary)}
.drawer-cta{width:100%}
.drawer-info{font-size:14px;color:var(--text-2);line-height:1.9}
.drawer-info strong{display:block;color:var(--text);font-size:15px;margin-bottom:6px}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .article-layout{max-width:820px}
  .article-panel{padding:40px 40px 38px}
}
@media (max-width:1024px){
  .nav-menu{display:none}
  .hamburger{display:flex}
  .header-actions .btn-sm{display:none}
  :root{--sec-pad:72px}
}
@media (max-width:991px){
  .article-title{font-size:31px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--sec-pad:56px}
  body{font-size:16px;line-height:1.8}
  .container{padding:0 16px}
  .article-layout{padding-top:88px}
  .article-panel{padding:28px 20px 30px;border-radius:var(--r-md)}
  .article-title{font-size:26px;line-height:1.35}
  .article-body{font-size:16px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .article-foot-cta{padding:22px 20px}
  .rel-grid{grid-template-columns:1fr}
  .float-cta{
    left:0;right:0;bottom:0;width:100%;height:56px;border-radius:0;
    padding:0 16px calc(0px + env(safe-area-inset-bottom));
    justify-content:center;transform:translateY(100%);
    box-shadow:0 -6px 20px rgba(16,42,55,.14);
  }
  .float-cta.show{transform:translateY(0)}
  .related{padding-bottom:88px}
}
@media (max-width:520px){
  .logo-text{font-size:16px}
  .article-title{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .article-head .tag{font-size:12.5px}
}

/* roulang page: category1 */
:root{
  --primary:#0F5A78;
  --primary-deep:#0A3E53;
  --accent:#F26A2E;
  --mint:#17B08C;
  --body-bg:#F7F9FA;
  --alt-bg:#F1F6F8;
  --dark:#0A2E3F;
  --text:#12212A;
  --text-2:#566A74;
  --text-3:#8A9AA3;
  --inv:#F2F7F9;
  --border:#E4EAEE;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --pill:999px;
  --sh-1:0 1px 3px rgba(16,42,55,.06);
  --sh-2:0 8px 24px rgba(16,42,55,.08);
  --sh-3:0 18px 44px rgba(16,42,55,.12);
  --container:1240px;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--body-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text);}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--primary);color:#fff;padding:12px 20px;border-radius:0 0 var(--r-md) 0;
}
.skip-link:focus{left:0;color:#fff;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:var(--nav-h);
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-1);}
.nav-inner{
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:700;color:var(--primary-deep);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;font-size:16px;font-weight:800;letter-spacing:.5px;
}
.logo-text b{color:var(--primary);font-weight:700;}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{
  position:relative;
  font-size:15px;color:var(--text-2);padding:6px 0;white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-14px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:center;
  transition:transform .22s ease;
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--primary);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-md);
  border:1px solid var(--border);background:#fff;color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .2s ease;
}
.icon-btn:hover{border-color:rgba(15,90,120,.35);color:var(--primary);background:rgba(15,90,120,.06);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15.5px;font-weight:500;line-height:1;
  border:1.5px solid transparent;transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:rgba(15,90,120,.45);color:var(--primary);}
.btn-ghost:hover{background:rgba(15,90,120,.08);color:var(--primary-deep);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#d95a22;color:#fff;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px;border-radius:var(--r-sm);}
.hamburger{
  display:none;width:40px;height:40px;border-radius:var(--r-md);
  border:1px solid var(--border);background:#fff;align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--primary-deep);position:relative;}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--primary-deep);
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,46,63,.4);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:130;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;z-index:140;
  background:#fff;transform:translateX(100%);transition:transform .28s ease;
  padding:24px 22px;overflow-y:auto;box-shadow:var(--sh-3);
  display:flex;flex-direction:column;gap:22px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:#fff;
  font-size:18px;color:var(--text-2);line-height:1;
}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{
  padding:13px 12px;border-radius:var(--r-md);font-size:16px;color:var(--text);
  border:1px solid transparent;
}
.drawer-links a:hover{background:var(--alt-bg);color:var(--primary);}
.drawer-links a.active{background:rgba(15,90,120,.08);color:var(--primary);font-weight:600;}
.drawer-foot{
  margin-top:auto;border-top:1px solid var(--border);padding-top:18px;
  font-size:14px;color:var(--text-2);display:flex;flex-direction:column;gap:8px;
}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border);padding:14px 0;margin-top:var(--nav-h);}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3);flex-wrap:wrap;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--text-3);}
.crumb .current{color:var(--primary);font-weight:600;}

/* ---------- banner ---------- */
.banner{
  background:linear-gradient(180deg,#ffffff 0%,var(--alt-bg) 100%);
  padding:64px 0 56px;
  border-bottom:1px solid var(--border);
}
.banner-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;line-height:1;padding:7px 13px;border-radius:var(--pill);
  background:rgba(15,90,120,.1);color:var(--primary);font-weight:600;
}
.badge-accent{background:rgba(242,106,46,.12);color:#C24E17;}
.banner h1{font-size:46px;line-height:1.22;margin:18px 0 16px;letter-spacing:-.5px;}
.banner h1 em{font-style:normal;color:var(--primary);}
.banner .lead{font-size:18px;line-height:1.75;color:var(--text-2);max-width:590px;}
.banner-cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.trust-row{display:flex;gap:26px;margin-top:32px;flex-wrap:wrap;}
.trust-item{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--text-2);}
.trust-item .dot{
  width:22px;height:22px;border-radius:50%;background:rgba(23,176,140,.14);
  color:var(--mint);display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;flex-shrink:0;
}
.banner-visual{position:relative;}
.banner-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:var(--sh-2);
}
.float-card{
  position:absolute;left:-24px;bottom:-24px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);padding:16px 18px;min-width:200px;
}
.float-card .fc-title{font-size:13px;color:var(--text-3);margin-bottom:10px;}
.float-card .fc-row{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:6px;}
.float-card .fc-row:last-child{margin-bottom:0;}
.float-card .fc-num{font-size:20px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;}
.float-card .fc-label{font-size:13px;color:var(--text-2);}

/* ---------- anchor nav ---------- */
.anchor-bar{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:var(--nav-h);z-index:100;}
.anchor-list{display:flex;gap:26px;overflow-x:auto;scrollbar-width:none;}
.anchor-list::-webkit-scrollbar{display:none;}
.anchor-list a{
  padding:16px 0;font-size:15px;color:var(--text-2);white-space:nowrap;border-bottom:2px solid transparent;
}
.anchor-list a:hover{color:var(--primary);border-bottom-color:rgba(15,90,120,.35);}

/* ---------- section base ---------- */
.section{padding:96px 0;}
.section.alt{background:var(--alt-bg);}
.section.white{background:#fff;}
.sec-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--primary);letter-spacing:.4px;text-transform:none;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;}
.sec-head h2{font-size:33px;margin:14px 0 14px;}
.sec-head p{font-size:17px;color:var(--text-2);max-width:680px;}

/* ---------- three column cards ---------- */
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.card-cover{width:100%;aspect-ratio:16/10;object-fit:cover;}
.card-body{padding:22px 22px 24px;}
.card-body h3{font-size:19px;margin-bottom:10px;}
.card-body p{font-size:15.5px;color:var(--text-2);line-height:1.8;}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{
  font-size:13px;line-height:1;padding:6px 11px;border-radius:var(--r-sm);
  background:var(--alt-bg);color:var(--text-2);
}
.tag.primary{background:rgba(15,90,120,.1);color:var(--primary);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;}
.step{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px 22px 26px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,90,120,.3);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:14px;
  background:rgba(15,90,120,.12);color:var(--primary-deep);
  font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:9px;}
.step p{font-size:15px;color:var(--text-2);line-height:1.78;}
.step::after{
  content:"";position:absolute;top:52px;right:-12px;width:12px;height:2px;
  background:rgba(15,90,120,.28);
}
.step:last-child::after{display:none;}

/* ---------- checklist ---------- */
.check-layout{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.check-list{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:10px 8px;box-shadow:var(--sh-1);}
.check-item{display:flex;gap:14px;padding:16px 16px;border-bottom:1px solid var(--border);}
.check-item:last-child{border-bottom:none;}
.check-ico{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;margin-top:2px;
  background:rgba(23,176,140,.14);color:var(--mint);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
}
.check-item h4{font-size:16.5px;margin-bottom:5px;}
.check-item p{font-size:15px;color:var(--text-2);line-height:1.78;}
.stat-stack{display:flex;flex-direction:column;gap:18px;}
.stat-row{
  display:flex;align-items:baseline;gap:16px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh-1);
}
.stat-num{font-size:32px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1;min-width:96px;}
.stat-txt{font-size:15px;color:var(--text-2);}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:transparent;border:none;text-align:left;
  font-size:17px;font-weight:500;color:var(--text);min-height:56px;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;background:rgba(15,90,120,.1);
  color:var(--primary);display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;transition:transform .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:15.5px;color:var(--text-2);line-height:1.85;}
.faq-item.open .faq-a{background:var(--body-bg);}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--dark) 0%,var(--primary-deep) 100%);
  border-radius:var(--r-xl);padding:52px 48px;color:var(--inv);
  display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:center;
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px;}
.cta-band p{color:rgba(242,247,249,.82);font-size:16.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;justify-content:flex-end;flex-wrap:wrap;}
.btn-inverse{background:#fff;color:var(--primary-deep);}
.btn-inverse:hover{background:var(--inv);color:var(--primary-deep);transform:translateY(-1px);}
.btn-outline-light{background:transparent;border-color:rgba(242,247,249,.5);color:#fff;}
.btn-outline-light:hover{background:rgba(242,247,249,.12);color:#fff;border-color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(242,247,249,.88);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.site-footer .logo{color:#fff;font-size:18px;}
.site-footer .logo-text b{color:#7FC6E0;}
.site-footer .logo-mark{background:rgba(255,255,255,.14);}
.footer-brand p{font-size:15px;color:rgba(242,247,249,.7);margin-top:16px;max-width:300px;line-height:1.8;}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col span{font-size:15px;color:rgba(242,247,249,.78);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(242,247,249,.16);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:14px;color:rgba(242,247,249,.66);
}
.fb-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.to-top{color:rgba(242,247,249,.88);border:1px solid rgba(242,247,249,.32);border-radius:var(--pill);padding:7px 15px;font-size:14px;}
.to-top:hover{color:var(--accent);border-color:var(--accent);}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:110;
  display:inline-flex;align-items:center;gap:9px;
  background:var(--accent);color:#fff;border-radius:var(--pill);
  padding:0 22px;height:52px;font-size:15px;font-weight:600;
  box-shadow:var(--sh-3);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:#d95a22;color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .banner h1{font-size:40px;}
  .container{padding:0 20px;}
}
@media (max-width:1024px){
  .nav-menu{display:none;}
  .hamburger{display:flex;}
  .nav-actions .btn{display:none;}
  .banner-grid{grid-template-columns:1fr;gap:36px;}
  .banner h1{font-size:36px;}
  .float-card{position:static;left:auto;bottom:auto;margin-top:16px;box-shadow:var(--sh-1);}
  .card-grid-3{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .check-layout{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .banner{padding:44px 0 40px;}
  .banner h1{font-size:30px;}
  .banner .lead{font-size:16.5px;}
  .sec-head h2{font-size:25px;}
  .card-grid-3{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .trust-row{gap:16px;}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;height:56px;border-radius:0;
    justify-content:center;padding-bottom:env(safe-area-inset-bottom,0);
  }
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .banner h1{font-size:27px;}
  .cta-band{padding:32px 20px;border-radius:var(--r-lg);}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .banner-cta .btn,.cta-actions .btn{width:100%;}
  .banner-cta,.cta-actions{flex-direction:column;align-items:stretch;}
}

/* roulang page: category2 */
:root{
  --primary:#0F5A78;
  --primary-deep:#0A3E53;
  --accent:#F26A2E;
  --mint:#17B08C;
  --bg:#F7F9FA;
  --surface:#FFFFFF;
  --surface-2:#F1F6F8;
  --dark:#0A2E3F;
  --text:#12212A;
  --text-2:#566A74;
  --text-3:#8A9AA3;
  --line:#E4EAEE;
  --inverse:#F2F7F9;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --pill:999px;
  --sh-1:0 1px 3px rgba(16,42,55,.06);
  --sh-2:0 8px 24px rgba(16,42,55,.08);
  --sh-3:0 18px 44px rgba(16,42,55,.12);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-deep)}
button{font-family:inherit;font-size:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text)}
p{margin:0}
b,strong{font-weight:700}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-sm) 0;
}
.skip-link:focus{left:0;color:#fff}
.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 顶部状态条 ---------- */
.status-bar{
  background:var(--dark);
  color:var(--inverse);
  font-size:13px;
  line-height:1.6;
}
.status-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  min-height:38px;padding-top:6px;padding-bottom:6px;
}
.live-dot{
  width:8px;height:8px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 0 rgba(23,176,140,.6);
  animation:pulse 2s infinite;flex:none;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(23,176,140,.55)}
  70%{box-shadow:0 0 0 8px rgba(23,176,140,0)}
  100%{box-shadow:0 0 0 0 rgba(23,176,140,0)}
}
.status-sep{color:rgba(242,247,249,.4)}
.status-clock{margin-left:auto;color:rgba(242,247,249,.85)}
.status-clock b{color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.5px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-1)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:64px;
}
.header-left{display:flex;align-items:center;gap:32px;min-width:0}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;letter-spacing:.2px}
.logo:hover{color:var(--text)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:17px;font-weight:700;
}
.logo-text{font-size:17px;white-space:nowrap}
.logo-text b{color:var(--primary);font-weight:700}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{
  position:relative;font-size:15px;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-menu a:hover{color:var(--primary)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--primary);font-weight:600}
.nav-menu a.active::after{transform:scaleX(1)}
.header-right{display:flex;align-items:center;gap:12px;flex:none}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  display:grid;place-items:center;transition:.2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(15,90,120,.35);background:var(--surface-2)}
.hamburger{
  display:none;width:40px;height:40px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--text-2);border-radius:2px;transition:.2s}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-md);
  font-size:16px;font-weight:500;border:1.5px solid transparent;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-1)}
.btn-accent:hover{background:#d95a22;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:rgba(15,90,120,.08);color:var(--primary-deep)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-sm{height:40px;font-size:15px;padding:0 18px}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;line-height:1;padding:7px 12px;border-radius:var(--pill);
  background:rgba(15,90,120,.1);color:var(--primary);font-weight:500;
}
.badge-accent{background:rgba(242,106,46,.12);color:#c9531d}
.badge-mint{background:rgba(23,176,140,.12);color:#0e7a61}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--primary);font-weight:600;letter-spacing:.6px;
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--accent);border-radius:2px}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding-top:24px;font-size:14px;color:var(--text-3)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text);font-weight:500}

/* ---------- Hero ---------- */
.page-hero{padding:24px 0 var(--sec)}
.hero-panel{
  display:grid;grid-template-columns:7fr 5fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-2);min-height:300px;
}
.hero-copy{padding:44px 40px;display:flex;flex-direction:column;justify-content:center;gap:18px}
.hero-copy h1{font-size:38px;line-height:1.28;letter-spacing:-.2px}
.hero-copy h1 em{font-style:normal;color:var(--primary)}
.lead{font-size:17px;color:var(--text-2);line-height:1.85;max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:6px}
.hero-facts li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.hero-facts svg{color:var(--mint);flex:none}
.hero-media{position:relative;min-height:280px;background:var(--surface-2)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,90,120,.08),rgba(15,90,120,0) 60%);
}
.hero-chip{
  position:absolute;left:-16px;bottom:20px;z-index:2;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:14px 18px;min-width:180px;
}
.hero-chip .num{font-size:24px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-chip .lbl{font-size:13px;color:var(--text-3);margin-top:2px}

/* ---------- 锚点条 ---------- */
.anchor-strip{
  position:sticky;top:64px;z-index:60;
  background:rgba(241,246,248,.94);backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:12px 24px;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  flex:none;font-size:14px;padding:8px 14px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--line);color:var(--text-2);
  transition:.2s ease;
}
.anchor-inner a:hover{border-color:rgba(15,90,120,.4);color:var(--primary);background:#fff}
.anchor-inner a.is-key{background:var(--primary);border-color:var(--primary);color:#fff}
.anchor-inner a.is-key:hover{background:var(--primary-deep);color:#fff}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section-alt{background:var(--surface)}
.section-tint{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:32px;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}

/* ---------- 分区总览行条 ---------- */
.overview-list{border-top:1px solid var(--line)}
.overview-row{
  display:grid;grid-template-columns:56px 1fr auto;gap:20px;align-items:center;
  padding:22px 4px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding .2s ease;
}
.overview-row:hover{background:var(--surface-2);padding-left:14px;padding-right:14px}
.ov-index{
  width:40px;height:40px;border-radius:var(--r-md);flex:none;
  display:grid;place-items:center;font-size:15px;font-weight:700;
  background:rgba(15,90,120,.1);color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.ov-main h3{font-size:18px;margin-bottom:4px}
.ov-main p{font-size:15px;color:var(--text-2);line-height:1.75}
.ov-side{display:flex;align-items:center;gap:14px;flex:none}
.ov-link{font-size:15px;font-weight:500;display:inline-flex;align-items:center;gap:6px}
.ov-link:hover{gap:9px}

/* ---------- 图文交错行 ---------- */
.zigzag{display:flex;flex-direction:column;gap:72px}
.zig-row{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.zig-row.reverse .zig-media{order:2}
.zig-row.reverse .zig-body{order:1}
.zig-media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);background:var(--surface-2)}
.zig-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.zig-media .tag{
  position:absolute;left:16px;top:16px;background:rgba(255,255,255,.94);
  color:var(--primary);font-size:13px;font-weight:600;
  padding:6px 12px;border-radius:var(--pill);box-shadow:var(--sh-1);
}
.zig-body h3{font-size:22px;margin-bottom:12px}
.zig-body p{color:var(--text-2);margin-bottom:16px}
.check-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.check-list svg{color:var(--mint);flex:none;margin-top:5px}
.zig-meta{display:flex;flex-wrap:wrap;gap:10px}
.stat-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-md);
  padding:9px 14px;font-size:14px;color:var(--text-2);
}
.stat-chip b{color:var(--primary);font-variant-numeric:tabular-nums;font-size:15px}

/* ---------- 横向小卡 ---------- */
.hscroll-wrap{position:relative}
.hscroll{
  display:flex;gap:20px;overflow-x:auto;padding-bottom:8px;
  scroll-snap-type:x mandatory;scrollbar-width:none;
}
.hscroll::-webkit-scrollbar{display:none}
.mini-card{
  flex:0 0 268px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,90,120,.3)}
.mini-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mini-body{padding:16px 18px 20px}
.mini-body h3{font-size:17px;margin:10px 0 8px}
.mini-body p{font-size:14px;color:var(--text-2);line-height:1.7}
.mini-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:14px;font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.mini-foot span{display:inline-flex;align-items:center;gap:6px}

/* ---------- 统计与资料信息区 ---------- */
.evidence{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 24px}
.stat-item .num{
  font-size:40px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-item .num small{font-size:16px;font-weight:600;margin-left:4px;color:var(--text-2)}
.stat-item .lbl{font-size:14px;color:var(--text-3);margin-top:6px}
.info-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:30px 32px;box-shadow:var(--sh-1);
}
.info-panel h3{font-size:20px;margin-bottom:18px}
.timeline{position:relative;padding-left:24px}
.timeline::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:rgba(15,90,120,.25)}
.timeline li{position:relative;padding-bottom:20px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-24px;top:7px;
  width:12px;height:12px;border-radius:50%;
  background:#fff;border:2.5px solid var(--primary);
}
.timeline .tl-title{font-size:15px;font-weight:600;margin-bottom:2px}
.timeline .tl-desc{font-size:14px;color:var(--text-2);line-height:1.72}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.faq-item.open{border-color:rgba(15,90,120,.3);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;
  padding:18px 22px;min-height:56px;
  font-size:17px;font-weight:500;color:var(--text);
}
.faq-q:hover{color:var(--primary)}
.faq-q .pm{
  position:relative;width:18px;height:18px;flex:none;
}
.faq-q .pm::before,.faq-q .pm::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-q .pm::before{left:0;top:8px;width:18px;height:2px}
.faq-q .pm::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-q .pm::after{transform:rotate(90deg);opacity:0}
.faq-a{display:none;padding:0 22px 20px;background:var(--bg);color:var(--text-2);font-size:15.5px;line-height:1.85}
.faq-item.open .faq-a{display:block}

/* ---------- 深色 CTA ---------- */
.cta-band{background:var(--dark);color:var(--inverse);padding:76px 0}
.cta-inner{
  display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:14px}
.cta-band p{color:rgba(242,247,249,.8);font-size:16.5px;max-width:60ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-note{font-size:13px;color:rgba(242,247,249,.6);margin-top:14px;text-align:right}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(242,247,249,.88);padding:64px 0 24px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:4fr 3fr 3fr 3fr;gap:40px}
.footer-brand .logo-text{color:#fff;font-size:18px}
.footer-brand .logo-text b{color:#7fc4de}
.footer-brand p{margin-top:16px;font-size:14px;color:rgba(242,247,249,.68);line-height:1.75;max-width:30ch}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(242,247,249,.72);line-height:1.6}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(242,247,249,.14);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13.5px;color:rgba(242,247,249,.62);
}
.fb-right{display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--pill);
  border:1px solid rgba(242,247,249,.3);color:rgba(242,247,249,.9);
}
.to-top:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 22px;border-radius:var(--pill);
  background:var(--accent);color:#fff;font-size:15px;font-weight:500;
  box-shadow:var(--sh-3);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,background .2s ease;
}
.float-cta:hover{background:#d95a22;color:#fff}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,46,63,.4);
  opacity:0;visibility:hidden;transition:.25s ease;z-index:95;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:360px;
  background:#fff;z-index:100;padding:22px 22px 32px;
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
  box-shadow:var(--sh-3);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);
  background:#fff;color:var(--text-2);display:grid;place-items:center;
}
.drawer nav{display:flex;flex-direction:column;gap:2px;margin-bottom:20px}
.drawer nav a{
  padding:13px 12px;border-radius:var(--r-md);font-size:16px;color:var(--text-2);
}
.drawer nav a:hover{background:var(--surface-2);color:var(--primary)}
.drawer nav a.active{background:rgba(15,90,120,.1);color:var(--primary);font-weight:600}
.drawer .btn{width:100%}
.drawer-info{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:14px;color:var(--text-3);line-height:1.8}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-copy h1{font-size:32px}
  .hero-panel{grid-template-columns:1fr 1fr}
  .zig-row{gap:36px}
}
@media (max-width:1024px){
  :root{--sec:72px}
  .nav-menu,.header-right .btn{display:none}
  .hamburger{display:flex}
  .hero-panel{grid-template-columns:1fr}
  .hero-media{min-height:260px;order:-1}
  .hero-chip{position:static;margin:0 24px 24px;left:auto;bottom:auto}
  .zig-row,.zig-row.reverse{grid-template-columns:1fr}
  .zig-row.reverse .zig-media{order:1}
  .zig-row.reverse .zig-body{order:2}
  .evidence{grid-template-columns:1fr;gap:36px}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .cta-note{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .anchor-strip{top:56px}
}
@media (max-width:768px){
  :root{--sec:56px}
  body{font-size:16px}
  .container{padding:0 16px}
  .header-inner{height:56px;gap:12px}
  .logo-text{font-size:16px}
  .hero-copy{padding:28px 20px}
  .hero-copy h1{font-size:27px}
  .page-hero{padding:16px 0 40px}
  .section-head h2{font-size:25px}
  .zig-body h3{font-size:19px}
  .overview-row{grid-template-columns:44px 1fr;gap:14px}
  .ov-side{grid-column:2;justify-content:flex-start}
  .stat-grid{grid-template-columns:1fr 1fr;gap:22px 16px}
  .stat-item .num{font-size:32px}
  .cta-band h2{font-size:25px}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;
    justify-content:center;padding:16px;
    padding-bottom:calc(16px + env(safe-area-inset-bottom));
    font-size:16px;
  }
  .status-clock{margin-left:0;width:100%}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .hero-facts{flex-direction:column;gap:8px}
  .mini-card{flex:0 0 82%}
  .info-panel{padding:24px 20px}
  .breadcrumb{padding-top:16px}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --primary:#0F5A78;
  --primary-deep:#0A3E53;
  --primary-soft:rgba(15,90,120,.10);
  --primary-line:rgba(15,90,120,.30);
  --accent:#F26A2E;
  --accent-soft:rgba(242,106,46,.12);
  --mint:#17B08C;
  --mint-soft:rgba(23,176,140,.12);
  --body-bg:#F7F9FA;
  --surface:#FFFFFF;
  --surface-alt:#F1F6F8;
  --surface-deep:#0A2E3F;
  --text:#12212A;
  --text-2:#566A74;
  --text-3:#8A9AA3;
  --line:#E4EAEE;
  --invert:#F2F7F9;

  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --pill:999px;

  --sh-1:0 1px 3px rgba(16,42,55,.06);
  --sh-2:0 8px 24px rgba(16,42,55,.08);
  --sh-3:0 18px 44px rgba(16,42,55,.12);

  --nav-h:64px;
  --sp-section:96px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--body-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-deep);}
img{max-width:100%;display:block;border-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-md) 0;
}
.skip-link:focus{left:0;color:#fff;}

/* ============ 容器与通用 ============ */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section-alt{background:var(--surface-alt);}
.section-white{background:var(--surface);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.04em;color:var(--primary);
  background:var(--primary-soft);border-radius:var(--pill);
  padding:6px 14px;font-weight:500;margin-bottom:18px;
}
.eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2,
.h2{
  font-size:33px;line-height:1.3;font-weight:700;letter-spacing:-.01em;
  color:var(--text);
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:17px;}
.h3{font-size:22px;line-height:1.5;font-weight:600;color:var(--primary-deep);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:500;line-height:1;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border:1.5px solid var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-deep);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:#d95a22;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:var(--r-sm);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ============ 顶部状态条 ============ */
.status-bar{
  background:var(--primary-deep);color:var(--invert);font-size:13.5px;
}
.status-bar .container{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:40px;flex-wrap:wrap;
}
.status-left{display:flex;align-items:center;gap:10px;}
.live-dot{
  width:8px;height:8px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 0 rgba(23,176,140,.6);animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(23,176,140,.55);}
  70%{box-shadow:0 0 0 8px rgba(23,176,140,0);}
  100%{box-shadow:0 0 0 0 rgba(23,176,140,0);}
}
.status-right{display:flex;align-items:center;gap:14px;color:rgba(242,247,249,.82);}
.status-right b{color:#fff;font-weight:600;font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.scrolled{box-shadow:var(--sh-1);background:rgba(255,255,255,.96);}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:var(--nav-h);
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:.02em;
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;}
.logo-text b{color:var(--primary);font-weight:700;}

.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;
  transition:color .2s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .22s ease;
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--primary);font-weight:600;}
.nav-menu a.active::after{transform:scaleX(1);}

.nav-right{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-md);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid var(--line);background:#fff;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary-line);background:var(--primary-soft);}
.hamburger{display:none;}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,46,63,.4);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
  z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;
  background:#fff;z-index:95;transform:translateX(100%);
  transition:transform .28s ease;box-shadow:var(--sh-3);
  padding:20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer nav{display:flex;flex-direction:column;gap:4px;}
.drawer nav a{
  padding:13px 12px;border-radius:var(--r-md);font-size:16px;color:var(--text);
}
.drawer nav a:hover{background:var(--surface-alt);}
.drawer nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.drawer-contact{
  margin-top:22px;padding-top:18px;border-top:1px solid var(--line);
  font-size:14px;color:var(--text-2);display:flex;flex-direction:column;gap:6px;
}

/* ============ 面包屑 ============ */
.crumb{
  font-size:14px;color:var(--text-3);padding:22px 0 0;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--text-3);}
.crumb .now{color:var(--primary);font-weight:500;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;margin-top:20px;
  border-radius:var(--r-xl);overflow:hidden;
  background:linear-gradient(115deg,rgba(10,46,63,.94) 0%,rgba(15,90,120,.88) 58%,rgba(15,90,120,.66) 100%),
             url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  color:var(--invert);
  padding:64px 56px;
  min-height:300px;
  display:flex;flex-direction:column;justify-content:center;
  box-shadow:var(--sh-2);
}
.cat-hero::after{
  content:"";position:absolute;right:-80px;bottom:-90px;width:320px;height:320px;
  border-radius:50%;background:radial-gradient(circle,rgba(242,106,46,.28),transparent 68%);
  pointer-events:none;
}
.cat-hero .eyebrow{
  background:rgba(255,255,255,.14);color:#fff;backdrop-filter:blur(2px);
}
.cat-hero h1{
  font-size:46px;line-height:1.22;font-weight:700;letter-spacing:-.015em;
  max-width:820px;color:#fff;
}
.cat-hero .hero-sub{
  margin-top:20px;max-width:720px;font-size:17.5px;line-height:1.8;
  color:rgba(242,247,249,.9);
}
.hero-actions{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap;}
.cat-hero .btn-outline{border-color:rgba(255,255,255,.6);color:#fff;}
.cat-hero .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;}

/* 页内锚点 */
.anchor-bar{
  display:flex;gap:10px;flex-wrap:wrap;margin-top:30px;
}
.anchor-bar a{
  font-size:14px;color:#fff;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);border-radius:var(--pill);
  padding:8px 16px;transition:background-color .2s ease,border-color .2s ease;
}
.anchor-bar a:hover{background:rgba(255,255,255,.22);border-color:rgba(255,255,255,.45);color:#fff;}

/* ============ 概览数据条 ============ */
.quick-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:-42px;position:relative;z-index:5;
}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 20px;box-shadow:var(--sh-2);
}
.stat-card .num{
  display:block;font-size:34px;line-height:1.15;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.stat-card .lbl{margin-top:4px;font-size:14px;color:var(--text-2);}
.stat-card .hint{margin-top:10px;font-size:13px;color:var(--text-3);}

/* ============ 对照区 ============ */
.compare-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.compare-col{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--sh-1);
}
.compare-col.warn{border-color:rgba(242,106,46,.34);background:linear-gradient(180deg,rgba(242,106,46,.05),#fff 90px);}
.compare-col.ok{border-color:var(--primary-line);background:linear-gradient(180deg,rgba(15,90,120,.06),#fff 90px);}
.compare-col h3{
  font-size:20px;font-weight:600;display:flex;align-items:center;gap:10px;
  margin-bottom:8px;color:var(--primary-deep);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;border-radius:var(--pill);padding:4px 12px;
  background:var(--primary-soft);color:var(--primary);
}
.badge-warn{background:var(--accent-soft);color:#C24E16;}
.badge-mint{background:var(--mint-soft);color:#0E8067;}
.compare-col > p.lead{font-size:14.5px;color:var(--text-2);margin-bottom:20px;}
.compare-list li{
  display:flex;gap:12px;padding:16px 0;border-top:1px dashed var(--line);
}
.compare-list li:first-child{border-top:0;padding-top:0;}
.compare-list .q{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.compare-col.warn .q{background:var(--accent-soft);color:#C24E16;}
.compare-col.ok .q{background:var(--mint-soft);color:#0E8067;}
.compare-list strong{display:block;font-size:16px;font-weight:600;color:var(--text);margin-bottom:3px;}
.compare-list span{font-size:14.5px;color:var(--text-2);line-height:1.75;}

/* ============ 核对步骤 ============ */
.check-layout{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.check-visual{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);
  border:1px solid var(--line);background:#fff;
}
.check-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.check-visual .cap{padding:16px 18px;font-size:14px;color:var(--text-2);border-top:1px solid var(--line);}
.step-list{display:flex;flex-direction:column;gap:16px;}
.step-item{
  display:grid;grid-template-columns:auto 1fr;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary-line);}
.step-num{
  width:44px;height:44px;border-radius:12px;flex:0 0 auto;
  background:var(--primary-soft);border:1px solid var(--primary-line);
  color:var(--primary);display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:18px;font-weight:600;color:var(--text);margin-bottom:6px;}
.step-item p{font-size:14.5px;color:var(--text-2);line-height:1.78;}
.step-item .tag-row{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap;}

/* ============ 实时提示区 ============ */
.notice-band{
  background:var(--surface-deep);color:var(--invert);
  border-radius:var(--r-xl);padding:44px 48px;
  display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.notice-band::before{
  content:"";position:absolute;left:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,176,140,.24),transparent 70%);
}
.notice-band h2{font-size:28px;line-height:1.34;font-weight:700;color:#fff;position:relative;}
.notice-band p{margin-top:14px;font-size:15.5px;color:rgba(242,247,249,.84);position:relative;}
.countdown-card{
  position:relative;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:24px;text-align:center;
  backdrop-filter:blur(3px);
}
.countdown-card .cd-label{font-size:13.5px;color:rgba(242,247,249,.78);}
.cd-time{
  margin-top:10px;font-size:36px;font-weight:700;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;color:#fff;
}
.cd-sub{margin-top:8px;font-size:13px;color:rgba(242,247,249,.66);}
.notice-points{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px;position:relative;}
.notice-points span{
  font-size:13.5px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  padding:6px 14px;border-radius:var(--pill);color:rgba(242,247,249,.92);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--primary-line);}
.faq-item.open{border-color:var(--primary-line);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 22px;text-align:left;
  font-size:17px;font-weight:500;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  position:relative;flex:0 0 auto;width:20px;height:20px;
  transition:transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;transition:opacity .25s ease,transform .25s ease;}
.faq-item.open .faq-icon{transform:rotate(180deg);}
.faq-item.open .faq-icon::after{opacity:0;transform:scaleY(0);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  background:var(--body-bg);
}
.faq-a-inner{padding:4px 22px 22px;font-size:15.5px;line-height:1.85;color:var(--text-2);}
.faq-a-inner strong{color:var(--primary-deep);font-weight:600;}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--primary) 0%,var(--primary-deep) 100%);
  border-radius:var(--r-xl);padding:56px 48px;color:#fff;
  display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:center;
  box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,106,46,.3),transparent 68%);
}
.cta-band h2{font-size:30px;line-height:1.32;font-weight:700;color:#fff;position:relative;}
.cta-band p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.86);position:relative;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;position:relative;}
.cta-band .btn-outline{border-color:rgba(255,255,255,.62);color:#fff;}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.16);color:#fff;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta a{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;border-radius:var(--pill);
  padding:13px 22px;font-size:15px;font-weight:500;box-shadow:var(--sh-3);
}
.float-cta a:hover{background:#d95a22;color:#fff;transform:translateY(-1px);}

/* ============ 页脚 ============ */
.site-footer{background:var(--surface-deep);color:var(--invert);margin-top:96px;}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text b{color:#7FD3EE;}
.footer-brand .logo-mark{background:linear-gradient(135deg,#1E86AC,#0F5A78);}
.footer-brand p{font-size:14.5px;color:rgba(242,247,249,.72);line-height:1.8;max-width:320px;}
.footer-col h4{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.01em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:14.5px;color:rgba(242,247,249,.88);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(242,247,249,.7);
}
.fb-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.to-top{color:rgba(242,247,249,.88);}
.to-top:hover{color:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sp-section:80px;}
  .cat-hero{padding:52px 40px;}
  .cat-hero h1{font-size:40px;}
  .check-layout{gap:32px;}
  .footer-grid{grid-template-columns:1.7fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:1024px){
  .nav-menu{display:none;}
  .nav-right .btn-desktop{display:none;}
  .hamburger{display:inline-flex;}
  .cat-hero h1{font-size:36px;}
  .quick-stats{grid-template-columns:repeat(2,1fr);margin-top:24px;}
  .compare-grid{grid-template-columns:1fr;}
  .check-layout{grid-template-columns:1fr;}
  .notice-band{grid-template-columns:1fr;padding:38px 32px;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:767px){
  :root{--sp-section:56px;--nav-h:56px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  .status-bar .container{font-size:12.5px;gap:6px;padding-top:6px;padding-bottom:6px;}
  .status-right{width:100%;justify-content:flex-start;}
  .cat-hero{padding:38px 22px;border-radius:var(--r-lg);min-height:0;}
  .cat-hero h1{font-size:29px;line-height:1.3;}
  .cat-hero .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .section-head h2,.h2{font-size:25px;}
  .quick-stats{grid-template-columns:1fr;gap:12px;}
  .stat-card{padding:18px 16px;}
  .compare-col{padding:24px 20px;}
  .faq-q{font-size:16px;padding:14px 16px;}
  .faq-a-inner{padding:4px 16px 18px;}
  .cta-band{padding:36px 22px;border-radius:var(--r-lg);}
  .cta-band h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding:44px 0 28px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-cta{
    right:0;left:0;bottom:0;transform:translateY(100%);
  }
  .float-cta.show{transform:translateY(0);}
  .float-cta a{
    width:100%;justify-content:center;border-radius:0;
    height:56px;padding:0 16px 8px;
    box-shadow:0 -6px 20px rgba(16,42,55,.14);
  }
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
  .cd-time{font-size:30px;}
  .cat-hero h1{font-size:26px;}
}

/* roulang page: category4 */
:root{
  --primary:#0F5A78;
  --primary-deep:#0A3E53;
  --accent:#F26A2E;
  --mint:#17B08C;
  --body-bg:#F7F9FA;
  --surface:#FFFFFF;
  --surface-alt:#F1F6F8;
  --dark:#0A2E3F;
  --text:#12212A;
  --text-2:#566A74;
  --text-3:#8A9AA3;
  --text-inv:#F2F7F9;
  --border:#E4EAEE;
  --border-strong:rgba(15,90,120,.30);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --pill:999px;
  --sh-1:0 1px 3px rgba(16,42,55,.06);
  --sh-2:0 8px 24px rgba(16,42,55,.08);
  --sh-3:0 18px 44px rgba(16,42,55,.12);
  --nav-h:64px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--body-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary-deep);}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:2000;
  background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-md) 0;
}
.skip-link:focus{left:0;color:#fff;}

.container{
  width:100%;max-width:var(--container);
  margin:0 auto;padding:0 24px;
}

/* ============ 顶部状态条 ============ */
.status-bar{
  background:var(--dark);
  color:rgba(242,247,249,.82);
  font-size:13.5px;
  line-height:1.6;
}
.status-bar .container{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:38px;padding-top:6px;padding-bottom:6px;
}
.status-left{display:flex;align-items:center;gap:10px;}
.live-dot{
  width:8px;height:8px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 4px rgba(23,176,140,.18);
  animation:pulse 2.4s infinite;flex:none;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(23,176,140,.18);}
  50%{box-shadow:0 0 0 8px rgba(23,176,140,.05);}
}
.status-right{display:flex;align-items:center;gap:18px;}
.status-right a{color:var(--accent);font-weight:600;}
.status-right a:hover{color:#ff8a55;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:var(--nav-h);
}
.header-left{display:flex;align-items:center;gap:36px;min-width:0;}
.header-right{display:flex;align-items:center;gap:12px;}

.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--text);flex:none;
}
.logo:hover{color:var(--text);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;letter-spacing:.5px;
  box-shadow:var(--sh-1);flex:none;
}
.logo-text{white-space:nowrap;letter-spacing:.2px;}
.logo-text b{color:var(--primary);font-weight:800;}

.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{
  position:relative;
  font-size:15px;color:var(--text-2);line-height:var(--nav-h);
  padding:0;white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--primary);font-weight:600;}
.nav-menu a.active::after{transform:scaleX(1);}

.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--border);background:var(--surface);color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--border-strong);background:var(--surface-alt);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15.5px;font-weight:500;border:1.5px solid transparent;
  transition:all .2s ease;white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--border-strong);}
.btn-outline:hover{background:rgba(15,90,120,.08);color:var(--primary-deep);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#d9561f;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}

.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--border);background:var(--surface);color:var(--text);
  align-items:center;justify-content:center;font-size:16px;
}

.search-pop{
  position:absolute;top:calc(var(--nav-h) + 8px);right:24px;
  width:340px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:14px;
  display:none;
}
.search-pop.open{display:block;}
.search-pop form{display:flex;gap:8px;}
.search-pop input{
  flex:1;height:44px;border:1px solid var(--border);border-radius:var(--r-md);
  padding:0 14px;color:var(--text);background:var(--body-bg);
}
.search-pop input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,90,120,.15);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,46,63,.4);
  opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:940;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:360px;
  background:#fff;z-index:950;transform:translateX(100%);
  transition:transform .28s ease;box-shadow:var(--sh-3);
  padding:22px 22px 30px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer nav{display:flex;flex-direction:column;gap:2px;}
.drawer nav a{
  padding:14px 12px;border-radius:var(--r-md);color:var(--text);
  font-size:16px;border-bottom:1px solid var(--border);
}
.drawer nav a:hover,.drawer nav a.active{background:var(--surface-alt);color:var(--primary);}
.drawer-info{background:var(--surface-alt);border-radius:var(--r-md);padding:16px;font-size:14px;color:var(--text-2);}
.drawer-info strong{display:block;color:var(--text);font-size:15px;margin-bottom:6px;}

/* ============ 面包屑 ============ */
.crumb{font-size:14px;color:var(--text-3);padding:22px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--text-3);}
.crumb .current{color:var(--text);font-weight:600;}

/* ============ Hero Banner ============ */
.cat-hero{padding:20px 0 0;}
.hero-panel{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);border:1px solid var(--border);
  background:linear-gradient(120deg,rgba(15,90,120,.08) 0%,rgba(15,90,120,0) 62%),var(--surface);
  box-shadow:var(--sh-1);
  display:grid;grid-template-columns:1.1fr 1fr;align-items:stretch;
  min-height:300px;
}
.hero-copy{padding:44px 46px;display:flex;flex-direction:column;justify-content:center;gap:18px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:rgba(15,90,120,.10);border-radius:var(--pill);
  padding:6px 14px;width:fit-content;
}
.hero-copy h1{
  font-size:42px;line-height:1.22;font-weight:700;color:var(--text);
}
.hero-copy h1 span{color:var(--primary);}
.hero-copy .lead{font-size:17px;color:var(--text-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:10px;padding-top:20px;border-top:1px solid var(--border);}
.hero-facts div{display:flex;flex-direction:column;gap:2px;}
.hero-facts b{font-size:22px;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-facts span{font-size:13.5px;color:var(--text-3);}
.hero-visual{position:relative;min-height:260px;}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.92) 0%,rgba(255,255,255,0) 42%);
}
.hero-flag{
  position:absolute;left:24px;bottom:24px;z-index:2;
  background:rgba(255,255,255,.96);border:1px solid var(--border);
  border-radius:var(--r-lg);box-shadow:var(--sh-2);
  padding:14px 18px;display:flex;align-items:center;gap:12px;
}
.hero-flag i{color:var(--accent);font-size:18px;}
.hero-flag strong{display:block;font-size:15px;color:var(--text);}
.hero-flag span{font-size:13px;color:var(--text-3);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section.alt{background:var(--surface-alt);}
.section.white{background:var(--surface);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{margin-bottom:16px;}
.section-head h2{font-size:33px;color:var(--text);}
.section-head p{margin-top:14px;font-size:16.5px;color:var(--text-2);}

/* ============ 置顶要点 ============ */
.top-points{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.point{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);display:flex;gap:16px;align-items:flex-start;
  transition:transform .22s ease,box-shadow .22s ease;
}
.point:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.point .num{
  width:40px;height:40px;flex:none;border-radius:var(--r-md);
  background:rgba(15,90,120,.10);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
}
.point h3{font-size:17px;margin-bottom:6px;}
.point p{font-size:14.5px;line-height:1.75;color:var(--text-2);}

/* ============ 杂志式栅格 ============ */
.mag-grid{display:grid;grid-template-columns:1.4fr 1fr;grid-template-rows:repeat(2,1fr);gap:24px;}
.mag-card{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease;
}
.mag-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.mag-main{grid-row:span 2;}
.mag-main .thumb{position:relative;overflow:hidden;border-radius:var(--r-lg) var(--r-lg) 0 0;}
.mag-main .thumb img{width:100%;height:270px;object-fit:cover;transition:transform .5s ease;}
.mag-card:hover .thumb img{transform:scale(1.04);}
.mag-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;border-radius:var(--pill);
  padding:4px 12px;background:rgba(15,90,120,.10);color:var(--primary);
}
.tag.hot{background:rgba(242,106,46,.12);color:var(--accent);}
.tag.ok{background:rgba(23,176,140,.12);color:var(--mint);}
.mag-main h3{font-size:23px;}
.mag-body h3{font-size:18.5px;}
.mag-body p{font-size:15px;line-height:1.78;color:var(--text-2);}
.mag-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--border);
  font-size:13.5px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.mag-foot a{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;}
.mag-foot a:hover{gap:10px;}
.mag-side .thumb-sm{
  height:112px;overflow:hidden;border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:linear-gradient(135deg,rgba(15,90,120,.08) 0%,rgba(15,90,120,0) 100%);
}
.mag-side .thumb-sm img{width:100%;height:100%;object-fit:cover;}
.mag-side .mag-body{padding:18px 22px 20px;}

/* ============ 时间线 ============ */
.timeline-wrap{position:relative;padding-left:26px;}
.timeline-wrap::before{
  content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,rgba(15,90,120,.15) 100%);
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 30px 26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:8px;
  width:12px;height:12px;border-radius:50%;
  background:#fff;border:2.5px solid var(--primary);
}
.tl-item.done::before{border-color:var(--mint);background:var(--mint);}
.tl-time{
  font-size:13.5px;color:var(--text-3);font-variant-numeric:tabular-nums;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px;
}
.tl-item h3{font-size:19px;margin-bottom:8px;}
.tl-item p{font-size:15.5px;color:var(--text-2);max-width:800px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}

/* ============ 参与方式 小卡横排 ============ */
.steps-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--border-strong);}
.step-card .big{
  font-size:34px;font-weight:800;color:rgba(15,90,120,.18);
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:14px;
}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;}

/* ============ FAQ ============ */
.faq-list{max-width:900px;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:var(--border-strong);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:58px;padding:16px 22px;
  font-size:17px;font-weight:500;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--primary);}
.faq-q .ic{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:rgba(15,90,120,.10);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .25s ease,background-color .25s ease;
}
.faq-item.open .faq-q .ic{transform:rotate(180deg);background:rgba(15,90,120,.18);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{
  padding:0 22px 20px;font-size:15.5px;color:var(--text-2);
  background:var(--body-bg);border-top:1px solid var(--border);
  padding-top:16px;
}

/* ============ CTA ============ */
.cta-band{
  background:var(--dark);color:var(--text-inv);border-radius:var(--r-xl);
  padding:56px 48px;display:grid;grid-template-columns:1.4fr 1fr;
  gap:32px;align-items:center;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  border-radius:50%;background:radial-gradient(circle,rgba(242,106,46,.28) 0%,rgba(242,106,46,0) 68%);
}
.cta-band h2{font-size:30px;color:#fff;margin-bottom:12px;}
.cta-band p{font-size:16px;color:rgba(242,247,249,.78);max-width:560px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:2;}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.35);}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(242,247,249,.88);padding:72px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;padding-bottom:48px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo-text b{color:#5FC6E4;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(242,247,249,.66);max-width:300px;}
.footer-col h4{font-size:15.5px;color:#fff;margin-bottom:18px;letter-spacing:.3px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col span{font-size:14.5px;color:rgba(242,247,249,.72);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(242,247,249,.14);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(242,247,249,.6);
}
.fb-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  color:rgba(242,247,249,.86);border:1px solid rgba(242,247,249,.28);
  border-radius:var(--pill);padding:6px 16px;font-size:13.5px;
}
.to-top:hover{background:rgba(242,247,249,.12);color:#fff;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:880;
  display:inline-flex;align-items:center;gap:9px;
  height:50px;padding:0 22px;border-radius:var(--pill);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh-3);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,background-color .2s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:#d9561f;color:#fff;}
.float-cta.hide{opacity:0;visibility:hidden;transform:translateY(12px);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-copy h1{font-size:36px;}
  .section{padding:80px 0;}
  .section-head h2{font-size:29px;}
}
@media (max-width:1024px){
  .nav-menu{display:none;}
  .hamburger{display:inline-flex;}
  .header-right .btn-primary{display:none;}
  .hero-panel{grid-template-columns:1fr;min-height:0;}
  .hero-visual{min-height:230px;order:-1;}
  .hero-visual::after{background:linear-gradient(180deg,rgba(255,255,255,.85) 0%,rgba(255,255,255,0) 55%);}
  .hero-flag{position:static;margin:0 22px 22px;box-shadow:var(--sh-1);}
  .hero-copy{padding:32px 26px 26px;}
  .mag-grid{grid-template-columns:1fr;grid-template-rows:none;}
  .mag-main{grid-row:auto;}
  .steps-row{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .cta-band .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:25px;}
  .hero-copy h1{font-size:30px;}
  .hero-copy .lead{font-size:15.5px;}
  .hero-facts{gap:20px;}
  .top-points{grid-template-columns:1fr;}
  .steps-row{grid-template-columns:1fr;}
  .mag-main .thumb img{height:200px;}
  .mag-body{padding:20px;}
  .faq-q{font-size:16px;padding:14px 16px;min-height:56px;}
  .faq-a-inner{padding:14px 16px 18px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;height:56px;
    justify-content:center;padding:0 16px calc(16px + env(safe-area-inset-bottom)/2);
    padding-bottom:env(safe-area-inset-bottom);
    font-size:15px;
  }
  .float-cta:hover{transform:none;}
  .site-footer{padding-top:52px;padding-bottom:56px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .search-pop{right:16px;left:16px;width:auto;}
}
@media (max-width:520px){
  .hero-copy{padding:26px 18px 20px;}
  .hero-copy h1{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .tag-row{gap:6px;}
  .cta-band{padding:34px 20px;}
  .cta-band h2{font-size:24px;}
  .cta-band .cta-actions .btn{width:100%;}
}